SEPAL WILT: Cattleyas

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 4 years ago.

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The ends of cattleya sepals go brown and dry because of ethylene pollution in the air from automobile exhausts, etc.; perhaps from a defective heater; illus. A69-242; illus. A75-908; A77-437
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Sepal Wilt Comments
SEPAL WILT: Cattleyas and Their Hybrids Cattleyas are the most sensitive of all in the whole plant kingdom to ethylene; one part in five hundred million parts of air can ruin sepals and eventually the whole flower. A73-905 0
SEPAL WILT: Cigarette Smoking in the Home Ethylene polluted air in the home gave short-lived flowers; after stopping smoking, longer lasting, larger blooms were realized. A74-134 0
SEPAL WILT: Ethylene Injury Prevention Silver ion (Ag+) is very effective in preventing dry-sepal (ethylene) injury on Cattleya flowers as it will protect them from doses 30 times as strong. Hort. science,1976-174 0
SEPAL WILT: Premature Aging For explanation of two similar conditions, refer to N309+ 0

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